--- loncom/homework/edit.pm	2002/11/03 19:16:19	1.38
+++ loncom/homework/edit.pm	2003/05/13 20:48:12	1.52
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # edit mode helpers
 #
-# $Id: edit.pm,v 1.38 2002/11/03 19:16:19 www Exp $
+# $Id: edit.pm,v 1.52 2003/05/13 20:48:12 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -40,6 +40,9 @@ use HTML::Entities();
 # depth of nesting of edit
 $Apache::edit::colordepth=0;
 @Apache::edit::inserttag=();
+# image-type responses: active background image and curdepth at definition
+$Apache::edit::bgimgsrc='';
+$Apache::edit::bgimgsrccurdepth='';
 
 sub initialize_edit {
   $Apache::edit::colordepth=0;
@@ -99,26 +102,31 @@ sub start_table {
   }
   $Apache::edit::colordepth++;
   push(@Apache::edit::inserttag,$token->[1]);
-  my $result="<p align=\"right\"><table bgcolor=\"$color\" width=\"95%\" border=\"2\">";
+  my $result='<div align="right">';
+  $result.='<table bgcolor="'.$color.'" width="97%" border="0" cellspacing="5" cellpadding="3">';
   return $result;
 }
 
 sub end_table {
   $Apache::edit::colordepth--;
-  my $result="</table></p>";
-  $result.=
-	"<p><table width=\"100%\"><tr><td>".
-        &innerinsertlist('edit',
- (defined($Apache::edit::inserttag[-2])?$Apache::edit::inserttag[-2]:'problem')
-,
- (defined($Apache::edit::inserttag[-1])?$Apache::edit::inserttag[-1]:'')).
-        "</td></tr></table></p>";
+  my $result='</table></div>';
+  $result.="<table><tr><td>";
+
+  my ($tagname,$closingtag);
+  if (defined($Apache::edit::inserttag[-2])) {
+    $tagname=$Apache::edit::inserttag[-2];
+  } else {$tagname='problem';}
+  if (defined($Apache::edit::inserttag[-1])) {
+    $closingtag=$Apache::edit::inserttag[-1];
+  }
+  $result.=&innerinsertlist('edit',$tagname,$closingtag).
+    "</td></tr></table>";
   pop(@Apache::edit::inserttag);
   return $result;
 }
 
-sub start_spanning_row { return '<tr><td colspan="3">';}
-sub start_row          { return '<tr><td>';            }
+sub start_spanning_row { return '<tr><td colspan="3" bgcolor="#DDDDDD">';}
+sub start_row          { return '<tr><td bgcolor="#DDDDDD">';            }
 sub end_row            { return '</td></tr>';          }
 
 sub movebuttons {
@@ -154,7 +162,7 @@ sub handle_delete {
   }
   if (!$result) {
     my $endtag='/'.$token->[1];
-    my $bodytext=&Apache::lonxml::get_all_text($endtag,$$parser[$#$parser]);
+    my $bodytext=&Apache::lonxml::get_all_text($endtag,$parser);
     $$parser['-1']->get_token();
     &Apache::lonxml::debug("Deleting :$bodytext: for $token->[1]");
     &Apache::lonxml::end_tag($tagstack,$parstack,$token);
@@ -322,6 +330,28 @@ sub insert_radiobuttonresponse {
 </radiobuttonresponse>';
 }
 
+sub insert_rankresponse {
+  return '
+<rankresponse max="10">
+    <foilgroup options="">
+    </foilgroup>
+    <hintgroup>
+    </hintgroup>
+</rankresponse>';
+}
+
+sub insert_matchresponse {
+  return '
+<matchresponse max="10">
+    <foilgroup options="">
+      <itemgroup>
+      </itemgroup>
+    </foilgroup>
+    <hintgroup>
+    </hintgroup>
+</matchresponse>';
+}
+
 sub insert_displayduedate { return '<displayduedate />'; }
 sub insert_displaytitle   { return '<displaytitle />'; }
 sub insert_hintpart {
@@ -338,12 +368,30 @@ sub insert_numericalhint {
 </numericalhint>';
 }
 
+sub insert_stringhint {
+  return '
+<stringhint>
+</stringhint>';
+}
+
+sub insert_formulahint {
+  return '
+<formulahint>
+</formulahint>';
+}
+
 sub insert_radiobuttonhint {
   return '
 <radiobuttonhint>
 </radiobuttonhint>';
 }
 
+sub insert_optionhint {
+  return '
+<optionhint>
+</optionhint>';
+}
+
 sub insert_startouttext {
   return "<startouttext />\n<endouttext />";
 }
@@ -409,9 +457,10 @@ sub get_new_args {
   foreach my $arg (@args) {
     #just want the string that it was set to
     my $value=$token->[2]->{$arg};
-    my $newvalue=$ENV{"form.$Apache::lonxml::curdepth.$arg"};
+    my $element=&html_element_name($arg);
+    my $newvalue=$ENV{"form.$element"};
     &Apache::lonxml::debug(" for:$arg: cur is :$value: new is :$newvalue:");
-    if ($value ne $newvalue) {
+    if (defined($newvalue) && $value ne $newvalue) {
       $token->[2]->{$arg}=$newvalue;
       $rebuild=1;
     }
@@ -442,65 +491,159 @@ sub rebuild_tag {
   return $result;
 }
 
+sub html_element_name {
+    my ($name) = @_;
+    return $name.'_'.$Apache::lonxml::curdepth;
+}
+
+sub hidden_arg {
+    my ($name,$token) = @_;
+    my $result;
+    my $arg=$token->[2]{$name};
+    $result='<input name="'.&html_element_name($name).
+	'" type="hidden" value="'.$arg.'" />';
+    return $result;
+}
+
 sub text_arg {
   my ($description,$name,$token,$size) = @_;
   my $result;
   if (!defined $size) { $size=20; }
   my $arg=$token->[2]{$name};
-  $result=$description.'<input name="'."$Apache::lonxml::curdepth.$name".
+  $result=$description.'&nbsp;<input name="'.&html_element_name($name).
     '" type="text" value="'.$arg.'" size="'.$size.'" />';
   return $result;
 }
 
 sub select_arg {
-  my ($description,$name,$list,$token) = @_;
-  my $result;
-  my $optionlist="";
-  my $selected=$token->[2]{$name};
-  foreach my $option (@$list) {
-    if ( $selected eq $option ) {
-      $optionlist.="<option selected=\"on\">$option</option>\n";
-    } else {
-      $optionlist.="<option>$option</option>\n";
+    my ($description,$name,$list,$token) = @_;
+    my $result;
+    my $optionlist="";
+    my $selected=$token->[2]{$name};
+    foreach my $option (@$list) {
+	my $value;
+	if ( ref($option) eq 'ARRAY') {
+	    $value='value="'.$$option[0].'"';
+	    $option=$$option[1];
+	} else {
+	    $value='value="'.$option.'"';
+	}
+	if ( $selected eq $option ) {
+	    $optionlist.="<option $value selected=\"on\">$option</option>\n";
+	} else {
+	    $optionlist.="<option $value >$option</option>\n";
+	}
     }
-  }
-  $result.=$description.'<select name="'."$Apache::lonxml::curdepth.$name".'">
+    $result.=$description.'&nbsp;<select name="'.&html_element_name($name).
+        '">
        '.$optionlist.'
       </select>';
-  return $result;
+    return $result;
 }
 
 sub select_or_text_arg {
-  my ($description,$name,$list,$token,$size) = @_;
-  my $result;
-  my $optionlist="";
-  my $found=0;
-  my $selected=$token->[2]{$name};
-  foreach my $option (@$list) {
-    if ( $selected eq $option ) {
-      $optionlist.="<option selected=\"on\">$option</option>\n";
-      $found=1;
-    } else {
-      $optionlist.="<option>$option</option>\n";
-    }
-  }
-  $optionlist.="<option value=\"TYPEDINVALUE\">Type in value</option>\n";
-  if (($found) || (!$selected)) {
-    $result.=$description.'<select name="'."$Apache::lonxml::curdepth.$name".'">
+    my ($description,$name,$list,$token,$size) = @_;
+    my $result;
+    my $optionlist="";
+    my $found=0;
+    my $selected=$token->[2]{$name};
+    foreach my $option (@$list) {
+	my $value;
+	if ( ref($option) eq 'ARRAY') {
+	    $value='value="'.$$option[0].'"';
+	    $option=$$option[1];
+	} else {
+	    $value='value="'.$option.'"';
+	}
+	if ( $selected eq $option ) {
+	    $optionlist.="<option $value selected=\"on\">$option</option>\n";
+	    $found=1;
+	} else {
+	    $optionlist.="<option $value>$option</option>\n";
+	}
+    }
+    $optionlist.="<option value=\"TYPEDINVALUE\">Type in value</option>\n";
+    if (($found) || (!$selected)) {
+	$result.=$description.'&nbsp;<select name="'.&html_element_name($name)
+            .'">
        '.$optionlist.'
       </select>';
-  } else {
-    $result.=&text_arg($description,$name,$token,$size);
-  }
-  return $result;
+    } else {
+	$result.=&text_arg($description,$name,$token,$size);
+    }
+    return $result;
 }
 
+#----------------------------------------------------- image coordinates
+# single image coordinates, x, y 
+sub entercoords {
+    my ($idx,,$idy,$mode,$width,$height) = @_;
+    unless ($Apache::edit::bgimgsrc) { return ''; }
+    if ($idx) { $idx.='_'; }
+    if ($idy) { $idy.='_'; }
+    my $bgfile=&Apache::lonnet::escape($Apache::edit::bgimgsrc);
+    my $form    = 'lonhomework';
+    my $element;
+    if (! defined($mode) || $mode eq 'attribute') {
+        $element = &Apache::lonnet::escape("$Apache::lonxml::curdepth");
+    } elsif ($mode eq 'textnode') {  # for data between <tag> ... </tag>
+        $element = &Apache::lonnet::escape('homework_edit_'.
+                                           $Apache::lonxml::curdepth);
+    }
+    my $formheight='';
+    if ($height) {
+	$formheight='&formheight='.$height.'_'.$Apache::edit::bgimgsrccurdepth;
+    }
+    my $formwidth='';
+    if ($width) {
+	$formwidth='&formwidth='.$width.'_'.$Apache::edit::bgimgsrccurdepth;
+    }
+    my $result = <<"ENDBUTTON";
+<a href="/cgi-bin/imagechoice.pl?formname=$form&file=$bgfile&formx=$idx$element&formy=$idy$element$formheight$formwidth"
+target="imagechoice">Click Coordinates</a>
+ENDBUTTON
+    return $result;
+}
+
+# coordinate pair (x1,y1)-(x2,y2)
+sub entercoordpair {
+    my ($id,$mode,$width,$height) = @_;
+    unless ($Apache::edit::bgimgsrc) { return ''; }
+    my $bgfile=&Apache::lonnet::escape($Apache::edit::bgimgsrc);
+    my $form    = 'lonhomework';
+    my $element;
+    if (! defined($mode) || $mode eq 'attribute') {
+        $element = &Apache::lonnet::escape("$id\_$Apache::lonxml::curdepth");
+    } elsif ($mode eq 'textnode') {  # for data between <tag> ... </tag>
+        $element = &Apache::lonnet::escape('homework_edit_'.
+                                           $Apache::lonxml::curdepth);
+    }
+    my $formheight='';
+    if ($height) {
+	$formheight='&formheight='.$height.'_'.$Apache::edit::bgimgsrccurdepth;
+    }
+    my $formwidth='';
+    if ($width) {
+	$formwidth='&formwidth='.$width.'_'.$Apache::edit::bgimgsrccurdepth;
+    }
+    my $result = <<"ENDBUTTON";
+<a href="/cgi-bin/imagechoice.pl?mode=pair&formname=$form&file=$bgfile$formheight$formwidth&formcoord=$element"
+target="imagechoice">Click Coordinate Pair</a>
+ENDBUTTON
+    return $result;
+}
 #----------------------------------------------------- browse
 sub browse {
     # insert a link to call up the filesystem browser (lonindexer)
-    $_ = shift;
+    my ($id, $mode) = @_;
     my $form    = 'lonhomework';
-    my $element = &Apache::lonnet::escape("$Apache::lonxml::curdepth.$_");
+    my $element;
+    if (! defined($mode) || $mode eq 'attribute') {
+        $element = &Apache::lonnet::escape("$id\_$Apache::lonxml::curdepth");
+    } elsif ($mode eq 'textnode') {  # for data between <tag> ... </tag>
+        $element = &Apache::lonnet::escape('homework_edit_'.
+                                           $Apache::lonxml::curdepth);
+    }
     my $result = <<"ENDBUTTON";
 <a href=\"javascript:openbrowser('$form','$element')\"\>Browse</a>
 ENDBUTTON
@@ -510,9 +653,15 @@ ENDBUTTON
 #----------------------------------------------------- browse
 sub search {
     # insert a link to call up the filesystem browser (lonindexer)
-    $_ = shift;
+    my ($id, $mode) = @_;
     my $form    = 'lonhomework';
-    my $element = &Apache::lonnet::escape("$Apache::lonxml::curdepth.$_");
+    my $element;
+    if (! defined($mode) || $mode eq 'attribute') {
+        $element = &Apache::lonnet::escape("$id\_$Apache::lonxml::curdepth");
+    } elsif ($mode eq 'textnode') {  # for data between <tag> ... </tag>
+        $element = &Apache::lonnet::escape('homework_edit_'.
+                                           $Apache::lonxml::curdepth);
+    }
     my $result = <<"ENDBUTTON";
 <a href=\"javascript:opensearcher('$form','$element')\"\>Search</a>
 ENDBUTTON